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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/41084

Title: Rearrangement and elimination of ordered surface layers of crystalline bubble structures due to gas diffusion
Author: HUTZLER, STEFAN
WEAIRE, DENIS LAWRENCE
Sponsor: Science Foundation Ireland
Author's Homepage: http://people.tcd.ie/shutzler
http://people.tcd.ie/dweaire
Keywords: Physical chemistry
liquid pool
Issue Date: 2009
Citation: Van der Net A, Weaire D and Hutzler, Rearrangement and elimination of ordered surface layers of crystalline bubble structures due to gas diffusion, Soft Matter, 5, 2009, 318 - 324
Series/Report no.: Soft Matter
5
Abstract: We describe a hitherto unknown self-organising effect in wet crystalline bubble structures exposed to air. Due to the escape of gas from the bubbles in the top surface layer, bubbles shrink and create space for the bubbles of the lower layers to interpose themselves at the top. This occurs irregularly, but finally a newly ordered bidisperse top layer is formed. This process can be followed for several episodes of elimination of surface layers. The crystalline orientation influences the speed of shrinkage and formation of the bidisperse top layer. Compared with diffusion of a single bubble or monodisperse monolayer on top of a liquid pool, the diffusion is much faster. This may be accounted for by the extra buoyancy force leading to a larger exposure of the bubbles at the surface.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/41084
Related links: http://dx.doi.org/10.1039/b809169b
Appears in Collections:Physics (Scholarly Publications)

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